Finding the Third Proportional to 73,021.50 and 149,499

Step by Step Solution

1. Step 1: Write the proportion equation
   73,021.50 : 149,499 = 149,499 : x
2. Step 2: Convert to fraction form
   73,021.50/149,499 = 149,499/x
3. Step 3: Cross multiply
   73,021.50x = 149,499 × 149,499
4. Step 4: Simplify right side
   73,021.50x = 22,349,951,001
5. Step 5: Solve for x
   x = 22,349,951,001/73,021.50
6. Step 6: Final answer
   x = 306,073.57